PAH Internal Standard Spiking Solution, 1.2ml, isooctane

2,2',4,4',5,5'-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

Heptachlor-endo-epoxide (trans-, isomer A), 100 ng/µl, 1ml

1,3,5-Tribromobenzene